Let me know what you think and feel free to give any advice. 13.72 @ 110mph. It sounds slow but the MPH looks O.K. but I was hopping for around 113MPH. I was running on street tires next time I'll use my Hoosers.

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1991 Trans Am GTA, Accel 300+ ignition, underdrive pulleys, AFPR, Accel SuperRam (ported), Edelbrock lower intake (ported), BBK 58mm TB, TFS 23* heads, SLP 1 3/4 headers, SLP 3" cat back (no cat), CompCam .495/.502 lift, Kenny Bell strut tower brace, lower frame brace, Jeg's SFC, Lakewood trailing arms and panhard rod

Pony's can run, but bird can fly

1987 Buick Turbo-T
1977 Chevy Blazer 4X4

 

What is your 60ft? That mph is good for low 13s. I would think you could run faster than 13.7.

 

That mph is good for mid 12's with traction.

You spinning bad off the line?

With sticky tires you'll drop e.t. but also maybe alittle mph....

58MM TB is too big for a 350 motor..unless supercharging.
Cam specs?
How did you tune?

Type of tranny?
If your AUTO what is your stall/gears...that could be where your missing power is if they are not up to task.

 

i'll be going to the track again this week with my GTA. surely you were spinning...running 13.7's @110
when we first got my girlfriends 94Z i g-tech'd to see what it would do with old tires it ran 15.0's @105 and 103 with new tires and better launch i've managed a 13.94 @ 106 and 14.12(with a passenger)@10X??
what do you have for a suspension??
i'm gonna see how these spohn LCA's and relo brkts workout for me.
see sig...

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87GTA ,10.5:1,4-bolt 355,afr 190's, super ram ,stock poerted base,58mmTB,24 lb FMS inj. ed wright chip, .510/230 (nr) 1&5/8 hooker shorty's, flow master single 3", 2800 ameri-torque non lk-up, 3.73. best to date with stk 48mm tb and lack of traction in 1st gear netted me a 12.9 @110mph /91 TA daily driver LB9 A4 2.73,
sitting in the garage : 26-11.5-16 et streets, sphon LCA's &rlb's, SFC's, b&m mega shifter....hope to install before the next century!!!

 

yeah man that seems like a lot of work to get some 13.7s.......... Shoot man your scaring me, I'm hoping to get that or close with a couple of bolt ons and some computer work on a 194,000 mile stock L98.

FYI, I've got a buddy running 13.7s on a ZZ4 long block with headers exhaust and a stock 305 tpi setup w/ stock chip.

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j.wolfe
_ ____ _
91 GTA L98
Best time: 14.389@95.49 (VMP)
"...Deception..." Brandon Sloan * ...wounds heal and chics dig scars...

 

13.70's@110???? are you sideways till mid track? LOl

 

you need to look past the 13.7 to the 110mph, that is the true indicator. You will not get any where near 110 with bolt ons . . .

 

110 MPH is good for mid to low 12'S with traction, I would bet your 60 ft times were terrible.

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1988 Formula 5L/5sp 3.45 gears, SLP cold air kit, MAS gutted, TPIS air foil, TPIS AFPR, MAC headers, Mac under drive pulleys, MAC cat back, Relocated MAT.
Best ET street tires 13.85
Best 60 FT street tires 1.930
Best MPH street tires 99.29

 

With 110 you should be in the 12's, I have run 13.85 @ 98.3 with a 1.93 60' on drag radials. I bet you run a faster mph when you run on the Hoosers

[This message has been edited by Z_Ghost (edited September 03, 2001).]